MACMILLAN ARCHIVE. Vol. CDX. Correspondence with Frederick H. Stevens; 1889-1922. Frederick Haller Stevens, mathematician: Correspondence with Macmillan and Co.: 1889-1922.
MACMILLAN ARCHIVE. Vol. CDXI. Correspondence with Herbert S. Foxwell; 1885-1920. Herbert Somerton Foxwell, economist: Correspondence with Macmillan and Co.: 1885-1920.
MACMILLAN ARCHIVE. Vol. CDXII. Correspondence with Andrew R. Forsyth; 1885-1941. Andrew Russell Forsyth, mathematician: Correspondence with Macmillan and Co.: 1885-1941.
MACMILLAN ARCHIVE. Vol. CDXIII. Correspondence with Henry Higgs; 1896-1937. Henry Higgs, CB; economist and civil servant: Correspondence with Macmillan and Co.: 1896-1937.